Like elementary school scissors, worn cutters do more pulling and bending than shearing. When this happens, production declines and the load on the shredder increases. Rotary shear machines require ...

Manufacturers of metal-cutting machines are shearing prices to generate sales amid a global slump in machinery demand brought on by lower energy prices and reduced investment in high-tech ...

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This article was originally published with the title “ Punching and Shearing Machine ” in Scientific American Magazine Vol. 38 No. 11 (March 1878), p. 163 doi:10.1038 ...